Evidence map›Paper›PMID 26521709›Full record

ArticleScientific reports2015

Non-periodic outbreaks of recurrent epidemics and its network modelling.

Muhua Zheng, Chaoqing Wang, Jie Zhou, Ming Zhao, Shuguang Guan, Yong Zou, Zonghua Liu

Abstract read
In one paragraph

Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Muhua ZhengDepartment of Physics, East China Normal University, Shanghai, 200062, China.
Chaoqing WangDepartment of Physics, East China Normal University, Shanghai, 200062, China.
Jie ZhouDepartment of Physics, East China Normal University, Shanghai, 200062, China.
Ming ZhaoCollege of Physics and Technology, Guangxi Normal University, Guilin 541004, China.
Shuguang GuanDepartment of Physics, East China Normal University, Shanghai, 200062, China.
Yong ZouDepartment of Physics, East China Normal University, Shanghai, 200062, China.
Zonghua LiuDepartment of Physics, East China Normal University, Shanghai, 200062, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The study of recurrent epidemic outbreaks has been attracting great attention for decades, but its underlying mechanism is still under debate. Based on a large number of real data from different cities, we find that besides the seasonal periodic outbreaks of influenza, there are also non-periodic outbreaks, i.e. non-seasonal or non-annual behaviors. To understand how the non-periodicity shows up, we present a network model of SIRS epidemic with both time-dependent infection rate and a small possibility of persistent epidemic seeds, representing the influences from the larger annual variation of environment and the infection generated spontaneously in nature, respectively. Our numerical simulations reveal that the model can reproduce the non-periodic outbreaks of recurrent epidemics with the main features of real influenza data. Further, we find that the recurrent outbreaks of epidemic depend not only on the infection rate but also on the density of susceptible agents, indicating that they are both the necessary conditions for the recurrent epidemic patterns with non-periodicity. A theoretical analysis based on Markov dynamics is presented to explain the numerical results. This finding may be of significance to the control of recurrent epidemics.

Indexed as

Communicable DiseasesDisease OutbreaksEnvironmentEpidemicsHumansInfluenza, HumanModels, BiologicalRecurrenceSeasonsSystemic Inflammatory Response Syndrome

Identifiers

PMID26521709
PMCPMC4629194

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.